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203340 = 22353389
BaseRepresentation
bin110001101001001100
3101022221010
4301221030
523001330
64205220
71504554
oct615114
9338833
10203340
11129855
1299810
1371727
1454164
15403b0
hex31a4c

203340 has 24 divisors (see below), whose sum is σ = 569520. Its totient is φ = 54208.

The previous prime is 203339. The next prime is 203341. The reversal of 203340 is 43302.

203340 = T17 + T18 + ... + T106.

203340 is nontrivially palindromic in base 9.

203340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203339) and next prime (203341).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 12.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (203341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (23730).

2203340 is an apocalyptic number.

203340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203340 is an abundant number, since it is smaller than the sum of its proper divisors (366180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203340 is a wasteful number, since it uses less digits than its factorization.

203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 203340 is about 450.9323674344. The cubic root of 203340 is about 58.8040998576.

Adding to 203340 its reverse (43302), we get a palindrome (246642).

The spelling of 203340 in words is "two hundred three thousand, three hundred forty", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3389 6778 10167 13556 16945 20334 33890 40668 50835 67780 101670 203340